Re: [volt-nuts] Voltage to frequency

2013-07-29 Thread Marvin E. Gozum
Academically speaking, the Josephson voltage standard is frequency to voltage conversion, but its still fairly involved to maintain. http://www.ptb.de/cms/en/fachabteilungen/abt2/abt2-josephson.html http://cdn.intechopen.com/pdfs/16237/InTech-Development_of_josephson_voltage_standards.pdf JJ on

Re: [volt-nuts] Eppley 811381 standard cell

2012-12-22 Thread Marvin E. Gozum
A most fascinating link you have, from the root. At 01:45 PM 12/22/2012, Jean-Louis Noel wrote: Hi Brooke, From: "Brooke Clarke" I got an Eppley 811381 standard cell and am looking for info on how to use it. A good start: http://203.158.253.140/media/e-Book/Engineer/Electronic/Standard%20

Re: [volt-nuts] HP3457

2012-08-22 Thread Marvin E. Gozum
The 3457a is younger, has added functions, such as amps, and better long term accuracy; the 3456a is just a DVM. The previously posted link has a large comparative database: http://electronicsandbooks.com/eab1/kb/k0zfca/i0zfca7_.htm 3457a tends to be have more unobtanium, compared to the 3456a

Re: [volt-nuts] Specifications of Multimeters, LCR meters

2012-08-22 Thread Marvin E. Gozum
Thanks! That's amazing work compiling that list. I'm sorry I wasn't aware of this rich repository [not just the link provided but all the other resources you have.] For the MM listing, did you do it by hand? Your website claims it has over 12TB of data online? Again, amazing reference, tha